(lm) v.i.
1. To appear or come into view indistinctly, as from below the horizon or through a mist, especially so as to seem large or ominous.
2. To appear to the mind as threatening or portentous: Great difficulties loom ahead.
3. To shine.
—noun A gradual, vague appearance of something, as of a ship in the fog. [Origin uncertain. Cf. Sw. loma move slowly (toward).]

(lm) noun
1. A machine in which yarn or thread is woven into a fabric, by the crossing of threads called chain or warp, running lengthwise, with others called weft, woof, or filling. See illustration on page following.
2. The art or technique of working with a loom; the occupation of a weaver; weaving.
3. Naut. a The shaft of an oar, as distinguished from the blade. b That part of an oar between the rowlock and the handle. [OE gelōma tool]

(lm) noun
1. A guillemot.
2. A loon (def. 1). [<ON lomr]